From 113f5a14f38be7c6743e5e5fe57620dbd98adb75 Mon Sep 17 00:00:00 2001
From: Pascal Serrarens <pascal@passervr.com>
Date: Thu, 30 Mar 2023 17:16:43 +0200
Subject: [PATCH] Fix zero vector addition

---
 src/Polar.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Polar.cpp b/src/Polar.cpp
index 5ca6055..5d42990 100644
--- a/src/Polar.cpp
+++ b/src/Polar.cpp
@@ -30,6 +30,8 @@ float Polar::Distance(const Polar& v1, const Polar& v2) {
 Polar Polar::operator+(const Polar& v2) const {
   if (v2.distance == 0)
     return Polar(this->angle, this->distance);
+  if (this->distance == 0)
+    return v2;
 
   float deltaAngle = Angle::Normalize(v2.angle - this->angle);
   float rotation = deltaAngle < 0 ? 180 + deltaAngle : 180 - deltaAngle;